Question 18
It takes 4 minutes to boil a quantity of water using an electrical heating coil. How long will it take to boil the same quantity of water using the same coil if the current is doubled? [Neglect any external heat losses]
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 2009
- Question no.
- #18
- Type
- Objective
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